CN212982523U - Active carbon small column experimental device for testing organic high-salt industrial wastewater - Google Patents
Active carbon small column experimental device for testing organic high-salt industrial wastewater Download PDFInfo
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- CN212982523U CN212982523U CN202020976823.9U CN202020976823U CN212982523U CN 212982523 U CN212982523 U CN 212982523U CN 202020976823 U CN202020976823 U CN 202020976823U CN 212982523 U CN212982523 U CN 212982523U
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Abstract
The utility model discloses an active carbon small column experimental device for testing organic high-salt industrial wastewater, which comprises a supporting device, a chromatography device and a stirring device; the supporting device comprises a supporting frame (1) and a supporting plate (4); the chromatography device comprises an active carbon chromatography column (3), a peristaltic pump (5), a sample outlet bottle (7) and a sample inlet bottle (8); the stirring device comprises a magnetic stirrer (6); both ends of the active carbon chromatographic column (3) are connected with a tubule (9); the fine tube (9) comprises a sample inlet tube and a sample outlet tube; the active carbon chromatographic column (3) is in seamless connection with a peristaltic pump tube (10) of the peristaltic pump (5) through the sample inlet tube; the active carbon chromatographic column (3) is connected with the sample outlet bottle (7) through the sample outlet pipe. The utility model discloses an experimental apparatus can satisfy almost all high salinity organic industrial waste water's active carbon technology experiment simulation.
Description
Technical Field
The utility model relates to a sewage treatment plant technical field especially relates to an active carbon pillar experimental apparatus for testing organic high salt industrial waste water.
Background
Sewage treatment is one of the main contents in the fields of environmental management and environmental protection. Among them, the activated carbon technology is widely used in wastewater that is difficult to be treated by activated sludge, and the common problem of this part of wastewater is generally high salinity or contains highly toxic organic substances. Activated carbon is a specially treated carbon produced by heating an organic raw material (husk, coal, wood, etc.) in the absence of air to reduce non-carbon components (this process is called carbonization), and then reacting with a gas to erode the surface and produce a structure with developed micropores (this process is called activation). The carbonization volatilizes the substances except the carbon, the oxidation activation can further remove the residual volatile substances, generate new and enlarged original pores, improve the microporous structure and increase the activity. Since the activation process is a microscopic process, i.e., the surface erosion of a large amount of molecular carbides is a point-like erosion, the surface of the activated carbon is caused to have countless fine pores. The diameter of the micropores on the surface of the activated carbon is mostly between 2 and 50nm, even a small amount of activated carbon has huge surface area, and the surface area of each gram of activated carbon is 500 to 1500m2Almost all applications of activated carbon are based on this feature of activated carbon.
An activated carbon Small-Scale Column Test (Rapid Small-Scale Column Test) is widely used, and on the basis of a fixed bed mass transfer model, a factor analysis is utilized to explain the relation between the adsorption efficiency of a Column body and an organic matter. In the experiment, the flow is controlled by a peristaltic pump, the retention time of a water sample in an activated carbon column is kept to be a fixed value (generally 0.4-1.5 h), and the removal efficiency of organic matters in the wastewater is determined according to the CODcr or TOC concentration of a sample of inlet water and outlet water.
The high-salt industrial wastewater is wastewater which is produced by chemical enterprises and contains a large amount of salt ions such as sodium ions, chloride ions, sulfate ions and the like and has higher total soluble solid concentration. When the wastewater does not contain organic matter, the wastewater treatment plant can generally collect the wastewater for discharge, but when the water contains organic matter and exceeds relevant discharge standards, separate treatment is required. The TDS of the part of sewage is often more than 10000mg/L, and the salinity of a water body is overhigh in an activated sludge aerobic biodegradation method commonly used in the field of sewage treatment, so that bacterial cells of the sludge are dehydrated and dead, and the activity is lost, so that the activated carbon technology is required to be used for treatment. Before treatment, the field condition needs to be simulated through experiments, support data is provided, and meanwhile, the matched experimental device is also needed for theoretical research of the related high-salinity wastewater.
However, in the ordinary chromatographic column experiment process, if high-salinity wastewater is used as a test object, crystallization in a sample injection bottle can occur, so that a sample injection pipe is easily blocked, and the experiment cannot be continued.
Chinese patent CN201720566399.9 provides an active carbon adsorption experimental apparatus, which can solve the problem that the existing active carbon adsorption experimental apparatus cannot measure the adsorption effect of each stage of adsorption column, but the apparatus does not set up a solution for high-salt wastewater, and the problems of crystallization, blockage and the like can occur when measuring high-salt wastewater.
Chinese patent CN201821635882.9 discloses an active carbon adsorption desorption experimental apparatus, and it detects the precision higher, can accurately judge which kind of active carbon's absorption desorption effect preferred, and the active carbon after the drying cooling can directly go out the experiment that carries out next round of absorption desorption moreover, but the device is not applicable to high salt waste water, can only handle waste gas, and can't once only test a plurality of samples.
Chinese patent CN201520314327.6 discloses a granular activated coke/carbon filtration adsorption experimental device, which has the characteristics of reasonable structure composition, convenient use and operation, and through reasonable process change, the effective adsorption capacity of the activated coke/carbon to organic matters in water is improved, and the regeneration times is reduced. However, the patent is mainly positioned for improving the regeneration times of the activated carbon and cannot treat the high-salinity wastewater.
Therefore, it is desirable to provide an activated carbon column experimental apparatus for testing organic high-salt industrial wastewater, which can be applied to the testing of high-salt industrial wastewater to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an active carbon pillar experimental apparatus for testing organic high salt industrial waste water can be applicable to the test of high salt waste water to obtain effective, accurate experimental data.
In order to achieve the purpose, the utility model adopts the following technical scheme.
The utility model provides an active carbon small column experimental device for testing organic high-salt industrial wastewater, which comprises a supporting device, a chromatography device and a stirring device; the supporting device comprises a supporting frame and a supporting plate; the chromatography device comprises an active carbon chromatography column, a peristaltic pump, a sample outlet bottle and a sample inlet bottle; the stirring device comprises a magnetic stirrer;
two ends of the active carbon chromatographic column are connected with a tubule; the superfine tube comprises a sample inlet tube and a sample outlet tube; the active carbon chromatographic column is in seamless connection with a peristaltic pump pipe of the peristaltic pump through the sample inlet pipe so as to avoid liquid seepage; the active carbon chromatographic column is connected with the sample outlet bottle through the sample outlet pipe.
Furthermore, the peristaltic pump and the magnetic stirrer are detachably fixed on the supporting plate, so that the maintenance and the replacement are convenient.
Furthermore, a fixing groove is arranged on the supporting plate and used for fixing the sample outlet bottle.
Furthermore, the active carbon chromatographic column is fixed on the support frame through a butterfly clamp so as to fix the active carbon chromatographic column.
Furthermore, two ends of the active carbon chromatographic column are respectively provided with a threaded cover with a sealing rubber ring.
Further, a filter head with a filter membrane is arranged in the threaded cover.
Furthermore, a threaded bolt connected with the pole tubule is arranged between the threaded cover and the filter head.
Further, the material of the threaded cover is plastic.
Furthermore, the openings of the sample outlet bottle and the sample inlet bottle are both of a cross-shaped opening structure.
Further, the tubule is inserted into the sample outlet bottle and the sample inlet bottle through the cross opening structure, and is maintained in an inserted state during operation.
The cross opening of appearance bottle, play appearance bottle, embedding appearance pipe/play appearance pipe that can be fine guarantees can not produce the offset because high salt waste water needs to continuously stir and lead to rivers, the condition emergence in the bottle of slipping out.
The utility model discloses in, the material of cross open structure is rubber materials, can guarantee to advance/go out appearance hose embedding bottle, can not produce the offset because of the continuous stirring of liquid.
Furthermore, the material of the active carbon chromatographic column is transparent organic ester glass.
Furthermore, the peristaltic pump tube is a transparent hose with the inner diameter of 1.4-2.0 mm. The utility model discloses in can be according to the use peristaltic pump pipe internal diameter is confirmed the peristaltic rate of peristaltic pump, and can carry out flow correction according to the experiment demand.
Furthermore, the peristaltic pump tube and the extremely thin tube are both made of transparent organic materials.
Peristaltic pump pipe with superfine pipe is transparent rubber material, can guarantee to observe the trend of bubble when cleaing away the bubble, avoids the interference that the water sample dwell time deviation that the bubble leads to led to the fact in the experimentation.
Furthermore, the connection mode of the extremely thin tube and the peristaltic pump is insertion connection.
Further, the material of the support frame and the material of the butterfly clip are both 304 stainless steel.
The utility model discloses in, the active carbon chromatographic column the peristaltic pump magnetic stirrers go out the appearance bottle advance the appearance bottle can be provided with a plurality of groups, can confirm according to the actual demand.
The utility model relates to an in the embodiment, experimental apparatus contains a stainless steel support frame structure and lower floor's stainless steel backup pad for place the instrument, guarantee that whole experimental facilities place in the support frame, avoid experimental apparatus in the past to visit the problem of difficulty.
The utility model relates to an in the concrete embodiment, all equipment are all placed in whole stainless steel support frame, keep stable in structure, and stainless steel support node uses screw or flange to link out, can assemble or dismantle the transportation.
The utility model relates to an in the concrete embodiment, the active carbon chromatography column, use transparent organic ester glass, can be very clear observe the interior adsorption of chromatography column condition and whether have the bubble, all be equipped with the screw cap of taking filter membrane and sealing washer from top to bottom, guarantee the sealed effect of whole chromatography column, the existence of filter membrane is guaranteed not to have the crystal body in the high salt waste water or other insoluble material entering chromatography column simultaneously, influences the experiment effect.
The utility model discloses in, the peristaltic pump, can be through changing pump rotational speed control experimental conditions, and can carry out accurate flow and correct.
The utility model discloses in, magnetic stirrers, can change stirring speed, ensure in the use and continuously stir, can prevent high salt waste water crystallization effectively.
The utility model discloses in, the butterfly press from both sides for fixed chromatography column can conveniently adjust the height of chromatography column, and the process of dismantling the chromatography column is more convenient.
The utility model discloses in, the peristaltic pump can adopt baoding randde BT-100L, and the peristaltic pump pipe internal diameter is 1.6mm, and the chromatography post internal diameter is 1.6 cm. The magnetic stirrer may employ IKA C-MAG MS 7.
The utility model discloses in, organic high salt waste water is that a class of industry produces, contains organic pollutant and the higher waste water of salinity. This type of wastewater causes the activated sludge to lose activity and is therefore unsuitable for biochemical treatment.
In the utility model, the active carbon small column is an experimental device which can be used for testing high-salt wastewater, the device comprises a stainless steel structure frame, and a butterfly clamp, a magnetic stirrer, a sample inlet bottle, a peristaltic pump, an active carbon adsorption small column and the like are arranged in the stainless steel structure frame, wherein the active carbon small column can be clamped in the butterfly clamp when in use and can be taken down when being filled, and the magnetic stirrer can adjust and control the rotating speed; the upper part and the lower part of the activated carbon column are respectively provided with a threaded cover with a sealing ring, and the covers are respectively provided with a sample inlet (outlet) port connected with the superfine hose; the sampling pipe of the peristaltic pump can use a hose with the inner diameter of 1.4mm-2.0mm, and can be selected according to the residence time. The utility model discloses the device can satisfy almost all high salinity organic industrial waste water's active carbon technology experiment simulation.
The utility model discloses an active carbon columella experimental apparatus for testing organic high salt industrial waste water's beneficial effect lies in:
(1) the stainless steel supporting bracket is adopted, all experimental equipment is guaranteed to be placed in the supporting frame, the problem that experimental devices are difficult to place in the past is avoided, and meanwhile, the corrosion phenomenon of crystal water is not prone to occurring on the surface of stainless steel.
(2) The device is equipped with magnetic stirring device, and the sample water sample is advanced in the continuous stirring during the experiment, can guarantee that the condition of high salt waste water crystallization of stewing can not appear.
(3) Go out the bottle lid of appearance bottle/appearance bottle all sets up to the cross opening, and embedding appearance pipe/play appearance pipe that can be fine guarantees can not produce the offset because high salt waste water needs to continuously stir and lead to rivers, and the condition that slips out in the bottle takes place.
(4) The upper and lower of chromatography column all is equipped with the screw cap of taking filter membrane and sealing washer, guarantees the sealed effect of whole chromatography column, and the existence of filter membrane guarantees simultaneously that crystal or other insoluble in water material in the high salt waste water can not get into the chromatography column, influences the experiment effect.
(5) Peristaltic pump, magnetic stirring device all can be according to experiment requirement adjustment parameter, change dwell time, stirring rate etc. and the peristaltic pump can carry out flow correction.
(6) The chromatography column used in the device is made of transparent organic glass materials, so that the conditions in the column can be conveniently observed at any time in the preparation steps before the experiment and the experiment process, and the water level in the chromatography column is ensured to be always in a completely filled state.
(7) Peristaltic pump hose (advance kind/go out kind) that uses in the device is transparent rubber material, can guarantee to observe the trend of bubble when cleaing away the bubble, avoids the interference that the water sample dwell time deviation that the bubble leads to led to the fact among the experimentation.
(8) The device is provided with the butterfly clamp for fixing the chromatographic column, so that the height of the chromatographic column can be conveniently adjusted, and the process of detaching the chromatographic column is more convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an active carbon pillar experimental apparatus for testing high-salinity wastewater in the present invention.
Figure 2 is a side view structure schematic diagram of an active carbon pillar experimental apparatus for testing high salt waste water in the utility model.
Fig. 3 is a schematic structural diagram of a chromatographic column of the activated carbon small column experimental device for testing high-salinity wastewater of the present invention.
Fig. 4 is a schematic view of the bottle mouth structures of the sample feeding bottle and the sample discharging bottle of the present invention.
The reference numerals in the figures are respectively:
1. a support frame;
2. a butterfly clip;
3. an activated carbon chromatographic column;
4. a support plate;
5. a peristaltic pump;
6. a magnetic stirrer;
7. discharging a sample bottle;
8. a sample feeding bottle;
9. a very thin tube;
10. a peristaltic pump tube;
11. a threaded cap;
12. filtering the membrane;
13. a cross-shaped opening structure.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The embodiment provides an active carbon small column experimental device for testing organic high-salt industrial wastewater, which comprises a supporting device, a chromatography device and a stirring device, and is shown in fig. 1 and fig. 2; the supporting device comprises a supporting frame 1 and a supporting plate 4; the chromatography device comprises an active carbon chromatography column 3, a peristaltic pump 5, a sample outlet bottle 7 and a sample inlet bottle 8; the stirring device comprises a magnetic stirrer 6;
both ends of the active carbon chromatographic column 3 are connected with a tubule 9; the tubule 9 comprises a sample inlet pipe and a sample outlet pipe; the active carbon chromatographic column 3 is in seamless connection with a peristaltic pump pipe 10 of the peristaltic pump 5 through the sample inlet pipe so as to avoid liquid seepage; the active carbon chromatographic column 3 is connected with the sample outlet bottle 7 through the sample outlet pipe.
In this embodiment, the peristaltic pump 5 and the magnetic stirrer 6 are detachably fixed on the supporting plate 4, so that the maintenance and the replacement are convenient.
In this embodiment, the supporting plate 4 is provided with a fixing groove for fixing the sample outlet bottle 7.
In this embodiment, the activated carbon chromatographic column 3 is fixed on the support frame 1 through a butterfly clamp 2 to fix the activated carbon chromatographic column 3.
In this embodiment, referring to fig. 3, two ends of the activated carbon chromatography column 3 are respectively provided with a threaded cap 11 with a sealing rubber ring. The screw cap 11 has a filter head with a filter membrane 12. A threaded bolt connected with the fine tube 9 is arranged between the threaded cover 11 and the filter head. The material of the threaded cap 11 is plastic.
In this embodiment, referring to fig. 4, the openings of the caps of the sample outlet bottle 7 and the sample inlet bottle 8 are both a cross-shaped opening structure 13. The very thin tube 9 is embedded into the sample outlet bottle 7 and the sample inlet bottle 8 through the cross-shaped opening structure 13, and an embedded state is kept during operation, so that the situation that the high-salinity wastewater needs to be continuously stirred to cause water flow to generate position deviation and slide out of the bottles is avoided.
In this embodiment, the cross opening structure 13 is made of rubber material, so that the tubule 9 is embedded in the bottle.
In this embodiment, the material of the activated carbon chromatographic column 3 is transparent organic ester glass.
In this embodiment, the peristaltic pump tube 10 is a transparent hose with an inner diameter of 1.4-2.0 mm. The utility model discloses in can be according to the use peristaltic pump pipe 10 internal diameters are confirmed the peristaltic rate of peristaltic pump, and can carry out flow correction according to the experiment demand.
In this embodiment, the peristaltic pump tube 10 and the very thin tube 9 are both made of transparent organic materials; can guarantee to observe the trend of bubble when cleaing away the bubble, avoid the water sample dwell time deviation that the bubble leads to among the experimentation to cause the interference.
Example 2
The embodiment provides an active carbon small column experimental apparatus for testing organic high-salt industrial wastewater, contains stainless steel support structure, is furnished with three active carbon chromatography columns 3, and the middle material of active carbon chromatography column 3 is transparent organic esters glass, and both sides introduction port/appearance mouth respectively are equipped with the screw cap 11 of the plastics of taking rubber seal, respectively establish a tubule 9 in the screw cap 11 of both sides and are used for advancing/going out the sample. The very thin tube 9 needs to go in and out of the peristaltic pump tube 10 and ensure no gap leading to liquid leakage. The active carbon chromatographic column 3 below is a layer of stainless steel backup pad 4, and this layer rear is furnished with three peristaltic pumps 5, and peristaltic pump pipe 10 is 1.4 ~ 2.0mm transparent rubber hose, and the place ahead is furnished with three magnetic stirrers 6 (attach three magnetic stirring rotor), respectively places a vitreous on the magnetic stirrers 6 and advances kind bottle 8. The side of the magnetic stirrer 6 is provided with fixing grooves for fixing the sample bottles 7 at positions corresponding to the three areas for placing the sample bottles 7.
In this example, the peristaltic pump used was baoding Lande BT-100L, the inner diameter of the tube of the peristaltic pump was 1.6mm, the inner diameter of the column was 1.6cm, and the magnetic stirrer was IKA C-MAG MS 7.
The utility model provides a concrete application of active carbon pillar experimental apparatus for testing organic high salt industrial waste water specifically as follows:
1) filling activated carbon into the activated carbon column, repeatedly reversing the activated carbon for several times to ensure that no bubbles exist in the activated carbon column, standing for 24 hours, observing again, and if bubbles exist, repeating the step of removing bubbles, and carrying out the next step when no bubbles exist.
2) Screwing the two ends of the activated carbon column, inverting for several times to observe whether water seeps out, and if the water seeps out, putting the superfine pipe in and out of the peristaltic pump pipe.
3) And (3) respectively containing sufficient desalted water in the sample injection bottles, connecting the pump pipes of the sample outlets into the sample injection bottles, adjusting the rotation direction of the peristaltic pumps to enable the water flow direction to be that the water flows into and out of the chromatographic columns, and expelling residual air in the peristaltic pump pipes and the superfine pipes.
4) When the sample introduction section (the lower thread cover of the chromatographic column) starts to stably discharge water and no air bubbles are observed in the peristaltic pump, the peristaltic pump is adjusted to turn to ensure that the water flow direction is that the chromatographic column enters from the lower part and goes out from the upper part, and the desalted water is maintained to clean the column body for 1 hour.
5) And the flow of the peristaltic pump is corrected, so that the retention time of the water sample is ensured to be consistent in different columns.
6) Stopping the peristaltic pump, replacing the sample bottle with the experimental high-salt water sample, opening the magnetic stirrer, maintaining the rotating speed at 500 revolutions per minute, maintaining the water sample to rinse the column body for 1 hour, stopping the peristaltic pump after 1 hour, and discarding and cleaning the liquid in the sample bottle.
7) And (4) starting the peristaltic pump, collecting the effluent water sample according to the retention time, and closing the peristaltic pump after the collection is finished.
8) And testing the samples in the sample inlet bottle and the sample outlet bottle.
9) The polar thin tube is disconnected with the peristaltic pump tube, the threaded cover is unscrewed to clean the active carbon, and the magnetic stirrer and the peristaltic pump are closed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An active carbon small column experimental device for testing organic high-salt industrial wastewater is characterized by comprising a supporting device, a chromatography device and a stirring device; the supporting device comprises a supporting frame (1) and a supporting plate (4); the chromatography device comprises an active carbon chromatography column (3), a peristaltic pump (5), a sample outlet bottle (7) and a sample inlet bottle (8); the stirring device comprises a magnetic stirrer (6);
both ends of the active carbon chromatographic column (3) are connected with a tubule (9); the fine tube (9) comprises a sample inlet tube and a sample outlet tube; the active carbon chromatographic column (3) is in seamless connection with a peristaltic pump tube (10) of the peristaltic pump (5) through the sample inlet tube; the active carbon chromatographic column (3) is connected with the sample outlet bottle (7) through the sample outlet pipe.
2. The activated carbon small column experimental facility for testing organic high-salt industrial wastewater as claimed in claim 1, wherein said peristaltic pump (5) and said magnetic stirrer (6) are detachably fixed on said support plate (4).
3. The activated carbon small column experimental facility for testing organic high-salt industrial wastewater as claimed in claim 1, wherein a fixing groove is provided on the support plate (4) for fixing the sample outlet bottle (7).
4. The activated carbon small column experimental device for testing organic high-salt industrial wastewater as claimed in claim 1, wherein the activated carbon chromatographic column (3) is fixed on the support frame (1) through a butterfly clamp (2).
5. The activated carbon small column experimental facility for testing the organic high-salt industrial wastewater as claimed in claim 1, wherein both ends of the activated carbon chromatographic column (3) are respectively provided with a threaded cap (11) with a sealing rubber ring; a filter head with a filter membrane (12) is arranged in the threaded cover (11);
a threaded bolt connected with the pole tubule (9) is arranged between the threaded cover (11) and the filter head.
6. The activated carbon column experimental facility for testing organic high-salt industrial wastewater as claimed in claim 1, wherein the openings of the caps of the sample outlet bottle (7) and the sample inlet bottle (8) are both a cross-shaped opening structure (13); the tubule (9) is embedded in the sample outlet bottle (7) and the sample inlet bottle (8) through the cross opening structure (13) and keeps an embedded state during operation.
7. The activated carbon small column experimental device for testing the organic high-salt industrial wastewater as claimed in claim 1 or 5, wherein the material of the activated carbon chromatographic column (3) is transparent organic ester glass.
8. The activated carbon small column experimental device for testing the organic high-salt industrial wastewater as claimed in claim 1, wherein the peristaltic pump tube (10) is a transparent hose with an inner diameter of 1.4-2.0 mm.
9. The activated carbon small column experimental device for testing the organic high-salt industrial wastewater as claimed in claim 1 or 8, wherein the materials of the peristaltic pump tube (10) and the very thin tube (9) are both transparent organic materials.
10. The activated carbon small column experimental device for testing organic high-salt industrial wastewater as claimed in claim 4, wherein the materials of the support frame (1) and the butterfly clamp (2) are 304 stainless steel.
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